Fox News: There’s a ticking time bomb underneath the oceans, and it’s about to go off, some scientists say. A Russian research ship trawling the Arctic off Siberia’s northeastern coast has found huge amounts of methane bubbling up from the seafloor, according to reports in London’s Independent newspaper and the Canadian Press wire service. Methane is a potent greenhouse gas, trapping 20 times as much heat as carbon dioxide. While there’s little of it in the atmosphere, there are gigantic …